CN105679126A - Display device, video system, display method and projector - Google Patents
Display device, video system, display method and projector Download PDFInfo
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- CN105679126A CN105679126A CN201410677192.XA CN201410677192A CN105679126A CN 105679126 A CN105679126 A CN 105679126A CN 201410677192 A CN201410677192 A CN 201410677192A CN 105679126 A CN105679126 A CN 105679126A
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Abstract
The invention discloses a display device, a video system, a display method and a projector. The display method is applied to a display device. The display method comprises the following steps: a piece of preview data output by a client is transmitted to a host to enable the host to display a preview image corresponding to the preview data; and after the host displays the preview image, if the host outputs a first display permission signal, the display device is used to display an image corresponding to an image signal output by the client.
Description
Technical field
The present invention relates to a kind of display unit, and in particular to a kind of display unit, video system, corresponding display packing and the projector that provide preview function.
Background technology
Along with the development of Information technology, the application of display unit is also more and more universal. Common display unit comprises computer monitor, television indicator and projector. Wherein, projector has that volume is little, conveniently moving, display picture size can freely adjust, and large size picture can be shown ... etc. advantage. Projector is often applied to such as teaching, meeting, theater ... Deng environment.
When projector is applied to such as teaching environment, the computer of teacher and multiple student can be connected to projector simultaneously, and the image that the computer utilizing projector display teacher and students exports. But, the image that the computer of students exports may comprise incorrect or be not suitable for the content (such as: the presentation content such as violence or pornographic) that utilizes projector openly to show. Thus, when the computer of students export inappropriate image show to projector time, it is possible to teaching quantity is caused impact to a certain degree.
Summary of the invention
One aspect of the present invention is in a kind of display unit of offer, comprises a display unit and a processing module. Processing module is electrically connected to display unit. Processing module is in order to before showing the image corresponding to a signal of video signal that a client terminal (client) exports at display unit, transmit a preview (preview) data to host side (host) that client terminal exports, the preview image corresponding to preview data is shown for host side, wherein processing module is more in order to receive one first preview request that host side exports, and according to the first preview request, export one the 2nd preview request to client terminal so that client terminal exports preview data to processing module according to the 2nd preview request. Preview data is sent to host side by processing module. And after processing module transmits preview data to host side, if processing module receives the one first display license signal that host side exports, then according to the first display, processing module is more in order to permit that signal exports one the 2nd display license signal to client terminal so that according to the 2nd display, client terminal permits that signal output image signal is to processing module. Processing module controls image corresponding to display unit display according to signal of video signal.
According to further embodiment of this invention, above-mentioned preview data comprises desktop (desktop) image snapshot (snapshot) data of client terminal or the desktop instant video data of client terminal.
According to yet another embodiment of the invention, processing module more line request in order to send according to host side and client terminal, sets up the wireless connections between display unit and host side and between display unit and client terminal respectively.
The embodiment separately having according to the present invention, above-mentioned display unit is a projector.
Another aspect of the present invention is in a kind of video system of offer, comprises a host side, at least one client terminal and a display unit. Display unit, in order to, before the image corresponding to the signal of video signal that exports at display client, to transmit preview data to host side that client terminal exports, shows the preview image corresponding to preview data for host side.
According to one embodiment of the invention, display unit is more in order to receive one first preview request that host side exports, and according to the first preview request, exporting one the 2nd preview request to client terminal so that client terminal exports preview data to display unit according to the 2nd preview request. Preview data is sent to host side by display unit.
According to another embodiment of the present invention, client terminal, after receiving the 2nd preview request, exports a preview request information, and inputs instruction according to a client terminal user, exports preview data to display unit.
According to further embodiment of this invention, after display unit transmits preview data to host side, if display unit receives the one first display license signal that host side exports, then according to the first display, display unit is more in order to permit that signal exports one the 2nd display license signal to client terminal so that according to the 2nd display, client terminal permits that signal output image signal is to display unit. The image that display unit is corresponding according to signal of video signal display.
According to yet another embodiment of the invention, host side, after receiving preview data, shows a preview image according to preview data, and according to host side user's instruction, exports the first display license signal to display unit.
The embodiment separately having according to the present invention, above-mentioned preview data comprises the desktop images snapshot data of client terminal or the desktop instant video data of client terminal.
The embodiment having again according to the present invention, the more line request in order to send according to host side and client terminal of above-mentioned display unit, sets up the wireless connections between display unit and host side and between display unit and client terminal respectively.
The embodiment having again according to the present invention, above-mentioned display unit is a projector.
An aspect again of the present invention is in a kind of display packing of offer, is applicable to a display unit. Display packing comprises the following step: transmit preview data to host side that a client terminal exports, and shows the preview image corresponding to preview data for host side; And show after preview image in host side, if host side exports one first display license signal, then the image corresponding to a signal of video signal exported by display unit display client.
According to one embodiment of the invention, above-mentioned display method more comprises: receive one first preview request that host side exports; And according to the first preview request, exporting one the 2nd preview request to client terminal so that client terminal exports preview data to display unit according to the 2nd preview request.
According to another embodiment of the present invention, in above-mentioned display method, after host side shows preview image, if host side exports the first display license signal, the image corresponding to signal of video signal then exported by display unit display client more comprises: receive the first display license signal, and according to the first display license signal, exports one the 2nd display license signal to client terminal, client terminal is made to permit signal, output image signal according to the 2nd display;And reception signal of video signal, and by the image corresponding to display unit show image signal.
According to further embodiment of this invention, above-mentioned preview data comprises the desktop images snapshot data of client terminal or the desktop instant video data of client terminal.
According to yet another embodiment of the invention, above-mentioned display method more comprises: the line request sent according to host side and client terminal, sets up the wireless connections between display unit and host side and between display unit and client terminal respectively.
The embodiment separately having according to the present invention, above-mentioned display unit is a projector.
An aspect again of the present invention is in a kind of projector of offer, in order to transmit image data to host side that a client terminal exports, for the image corresponding to host side image data displaying, wherein projector is more in order to receive the one first image transfer request that host side exports, and according to the first image transfer request, export one the 2nd image transfer request to client terminal so that client terminal according to the 2nd image transfer request image output data to projector. Image data are sent to host side by projector, and projector's more line request in order to send according to host side and client terminal, set up the wireless connections between projector and host side and between projector and client terminal respectively.
By the technique means of the present invention, host side can before client terminal utilizes the image that display unit display client exports, the image that first preview client terminal exports. Display unit, after receiving the display license that host side sends, just understands the image that display client exports. Thus, can avoid the image that display unit display client exports comprises the content be not in harmony and work as. In addition, the present invention can by display unit and host side and set up wireless connections between display unit and client terminal so that host side and client terminal can pass through display unit and exchange data. Thus, can reduce host side and client terminal and client terminal each other in exchange data time required foundation linking number. Moreover, host side can pass through display unit, receives the image data that client terminal exports. Thus, host side does not need to set up respectively the line between each client terminal, can receive the image data that client terminal exports.
Accompanying drawing explanation
Figure 1A is in one embodiment of the invention, the block schematic diagram of a kind of display unit.
Figure 1B is in one embodiment of the invention, the block schematic diagram of a kind of video system.
Fig. 1 C is in another embodiment of the present invention, the block schematic diagram of a kind of display unit.
Fig. 2 is the operation schematic diagram illustrating between display unit, host side and client terminal according to another embodiment of the present invention.
Fig. 3 is the schematic flow sheet illustrating a kind of display packing according to one embodiment of the invention.
Fig. 4 is the schematic flow sheet illustrating a kind of display packing according to another embodiment of the present invention.
Fig. 5 is the schematic flow sheet illustrating a kind of display packing according to the present invention time embodiment.
Wherein, description of reference numerals is as follows:
100,100a, 100b: display unit
110: display unit
120: processing module
130,130a, 130b: client terminal
133: signal of video signal
135: preview data
140,140a, 140b: host side
155: the first preview request
157: the two preview request
165: the first display license signals
167: the two display license signals
175: image data
185: the first image transfer request
187: the two image transfer request
200: video system
230,232,234,240,242,244,246,248,250,252,254,256,258,302,304,402,404,502: step
Embodiment
Hereafter accompanying drawing is coordinated to do explanation in detail for embodiment, but the embodiment provided also is not used to the scope that restriction the present invention is contained, and the description of structure running is not used to limit its order performed, any structure again combined by element, produced the device with impartial effect, it is all the scope that the present invention is contained.In addition, accompanying drawing only for the purpose of description, is not mapped according to life size. For making to be convenient to understand, in following explanation, similar elements illustrates with identical symbology.
In the word (terms) that full section specification sheets and claim use, outside indicating especially, usually have each word use in this area, in content disclosed herein with the usual meaning in special content. Some is in order to describe word of the present disclosure by lower or discuss in the other places of this specification sheets, to provide those skilled in the art about guiding extra in description of the present disclosure.
In addition, about " coupling " used herein or " connection ", all can refer to two or multiple element mutually directly make entity or in electrical contact, or mutually indirectly put into effect body or in electrical contact, also can refer to two or multiple element mutual operation or action.
In herein, unless be particularly limited to some extent for article in interior literary composition, otherwise " one " and " being somebody's turn to do " can be made a general reference single one or more. What will be further understood that is, " comprising " used herein, " comprising ", " having " and similar vocabulary, indicate the feature described in it, region, integer, step, operation, element and/or assembly, but do not get rid of one or more further feature described in it or extra, region, integer, step, operation, element, assembly, and/or group wherein.
In addition, herein, it may also be useful to first, second and the 3rd etc. vocabulary, be to be understood for describing various element, assembly, region, layer and/or block. But these elements, assembly, region, layer and/or block should do not limited by these terms. These vocabulary are only limited to for distinguishing single element, assembly, region, layer and/or block. Therefore, one first element hereinafter, assembly, region, layer and/or block also can be called as two element, assembly, region, layer and/or block, and do not depart from the original idea of the present invention.
Please refer to Figure 1A. Figure 1A is in one embodiment of the invention, the block schematic diagram of a kind of display unit 100. Display unit 100 can be a projector or an indicating meter, but not as limit. Display unit 100 comprises display unit 110 and a processing module 120. In an embodiment, processing module 120 is a chip. In another embodiment, display unit 100 comprises at least one treater and a storer, and processing module 120 is stored in this storer, and performs its function by treater.
Processing module 120 is electrically connected to display unit 110. Processing module 120 is in order to before showing the image corresponding to a signal of video signal 133 that a client terminal (client) 130 exports at display unit 110, transmit a preview (preview) data 135 to host side (host) 140 that client terminal 130 exports, show the preview image corresponding to preview data 135 for host side 140.
Client terminal 130 and host side 140 can be PC, panel computer, notebook computer, smart mobile phone ... Deng, but not as limit. In an embodiment, client terminal 130 and host side 140 are all PC, and display unit 100, client terminal 130 and host side 140 are applied in a teaching environment. For example, the user of host side 140 is a teacher, and the user of client terminal 130 is a student. Processing module 120 is in order to before showing the image corresponding to signal of video signal 133 that student utilizes client terminal 130 to export at display unit 110, transmit preview data 135 to the host side 140 that client terminal 130 exports so that teacher is able to the preview image corresponding to preview preview data 135.
In an embodiment, preview data 135 comprises desktop (desktop) image snapshot (snapshot) data of client terminal 130 or the desktop instant video data of client terminal 130, and signal of video signal 133 comprises the desktop instant video data of client terminal 130. Whereby, in above-described embodiment, before display unit 110 shows the desktop instant video of PC of student, teacher is able to desktop images snapshot or the desktop instant video data of the PC of preview student. It should be noted that, preview data 135 is not limited to the desktop images snapshot data of above-mentioned client terminal 130 or the desktop instant video data of client terminal 130, and signal of video signal 133 is also not limited to the desktop instant video data of client terminal 130. In an embodiment, preview data 135 comprises the image snapshot data of the application program performed by client terminal 130, and signal of video signal 133 comprises the instant video data of the application program performed by client terminal 130.
In another embodiment, processing module 120 is more in order to receive one first preview request 155 that host side 140 exports. Processing module 120 and according to the first preview request 155, export one the 2nd preview request 157 to client terminal 130 so that client terminal 130 exports preview data 135 to processing module 120 according to the 2nd preview request 157. Preview data 135 is sent to host side 140 by processing module 120. Whereby, in above-described embodiment, teacher is able to utilize host side 140 to export the first preview request 155 so that client terminal 130 exports preview data 135 according to the 2nd preview request 157 when requiring student to utilize the image corresponding to client terminal 130 output image signal 133.
In an embodiment again, after processing module 120 transmits preview data 135 to host side 140, if processing module 120 receives the one first display license signal 165 that host side 140 exports, then processing module 120 is more in order to export one the 2nd display license signal 167 to client terminal 130 according to the first display license signal 165 so that client terminal 130 is according to the 2nd display license signal 167 output image signal 133 to processing module 120. Processing module 120 controls display unit 110 according to signal of video signal 133 and shows corresponding image. Whereby, in above-described embodiment, after host side 140 shows the preview image corresponding to preview data 135 (as: the desktop images snapshot of the PC of student), teacher is utilized host side 140 to export the first display license signal 165, and makes client terminal 130 permit signal 167 output image signal 133 (as: the desktop instant video of the PC of student) to display unit 100 to show according to the 2nd display. Therefore, teacher can the content of desktop images snapshot of PC of such as student according to host side 140, and determine whether utilize host side 140 to export the first display license signal 165. If teacher is according to the content of the desktop images snapshot of the PC of student, judge that the desktop instant video of the PC of student is not suitable in teaching environment and utilizes display unit 100 to show, then teacher can select unfavorable host side 140 to export the first display license signal 165. Thus, display unit 100 can not show the desktop instant video of the PC of student.
It should be noted that, in the present embodiment, can be wired connection between display unit 100 and host side 140 and between display unit 100 and client terminal 130, it is possible to think wireless connections.In an embodiment, it is wireless connections between display unit 100 and host side 140 and between display unit 100 and client terminal 130, and processing module 120 more line request in order to send according to host side 140 and client terminal 130, set up the wireless connections between display unit 100 and host side 140 and between display unit 100 and client terminal 130 respectively. Above-mentioned wireless connections can be WiFi wireless connections, but not as limit.
In addition, in the present embodiment, processing module 120 is contained in display unit 100. But in practical application, processing module 120 is not limited to be included in display unit 100. In another embodiment, processing module 120 is contained in other electronic installations, and is electrically connected to display unit 100 (such as: connect) with HDMI interface. In addition, the number of client terminal and host side is also not limited to 1 shown in Figure 1A. In another embodiment, display unit 100 is connected with multiple host side and multiple client wireless respectively.
Please refer to Figure 1B. Figure 1B is in one embodiment of the invention, the block schematic diagram of a kind of video system 200. Video system 200 comprises a display unit 100a, at least one client terminal 130a and a host side 140a. Display unit 100a, at least one client terminal 130a and a host side 140a can be the display unit 100 shown in Figure 1A, client terminal 130 and host side 140 respectively, but not as limit.
Display unit 100a is in order to before the image corresponding to the display signal of video signal 133 that exports of at least one client terminal 130a, transmit preview data 135 to the host side 140a that at least one client terminal 130a exports, show the preview image corresponding to preview data 135 for host side 140a.
In the present embodiment, operation and the embodiment shown in Figure 1A between a display unit 100a and client terminal 130a and host side 140a are similar, therefore do not repeat them here.
In an embodiment, at least one client terminal 130a, after receiving the 2nd preview request 157, exports a preview request information, and inputs instruction according to a client terminal user, exports preview data 135 to display unit 100a. Whereby, in above-described embodiment, PC (i.e. client terminal 130a) operated by student is after receiving the 2nd preview request 157, the preview request information that exports is to inquire whether student agrees to export preview data 135 (as: the desktop images snapshot data of the PC of student), makes teacher be carried out preview. If student agrees to export preview data 135, then PC (i.e. client terminal 130a) operated by student inputs instruction (as: the agreement instruction that student utilizes the keyboard of PC or mouse to input) according to client terminal user, exports preview data 135 to display unit 100a. Otherwise, if student does not agree to export preview data 135, then PC operated by student does not export preview data 135. Thus, the right of privacy of student is preferably protected.
In another embodiment, host side 140a, after receiving preview data 135, shows a preview image according to preview data 135, and according to host side user's instruction, exports the first display license signal 165 to display unit 100a. Whereby, in above-described embodiment, the PC (i.e. host side 140a) operated by teacher is look at after data 135 in receiving, and shows a preview image (as: the desktop images snapshot of the PC of student) according to preview data 135.If teacher is after the above-mentioned preview image of viewing, agree to that the desktop instant video (i.e. signal of video signal 133) of the PC that the PC (i.e. client terminal 130a) operated by student exports student shows to display unit 100a, then teacher can utilize the keyboard of host side 140a or mouse to produce host side user's instruction. And host side 140a according to above-mentioned host side user's instruction, can export the first display license signal 165 to display unit 100a.
In above-described embodiment, before display unit ties up to the image corresponding to signal of video signal that display client exports, transmit client terminal and exported preview data to host side, show the preview image corresponding to preview data for host side. In another embodiment of the present invention, client terminal can also transmit image data in host side by display unit. Above-mentioned image data is not defined as preview data. An embodiment will be provided so that aforesaid operations to be described below.
Please refer to Fig. 1 C. Fig. 1 C is in another embodiment of the present invention, the block schematic diagram of a kind of display unit 100b. In Fig. 1 C, display unit 100b, client terminal 130b and host side 140b can be the display unit 100 shown in Figure 1A, client terminal 130 and host side 140 respectively, but not as limit. In an embodiment, display unit 100b can be a projector or an indicating meter, and client terminal 130b and host side 140b can be PC, panel computer, notebook computer, smart mobile phone ... Deng.
Image data 175 to the host side 140b that display unit 100b exports in order to transmit client terminal 130b, for the image corresponding to host side 140b image data displaying 175. It should be noted that, in the present embodiment, image data 175 are not defined as preview data.
In an embodiment, display unit 100b is more in order to receive the one first image transfer request 185 that host side 140b exports. Display unit 100b, according to the first image transfer request 185, exports one the 2nd image transfer request 187 to client terminal 130b so that client terminal 130b is according to the 2nd image transfer request 187 image output data 175 to display unit 100b. Image data 175 are sent to host side 140b by display unit 100b.
In another embodiment, display unit 100b more line request in order to send according to host side 140b and client terminal 130b, sets up the wireless connections between display unit 100b and host side 140b and between display unit 100b and client terminal 130b respectively.
Hereinafter according to another embodiment of the present invention, the operation between display unit as shown in Figure 1A and 1B, host side and client terminal will be described. Please refer to Fig. 2. Fig. 2 is according to another embodiment of the present invention, illustrates the operation schematic diagram between display unit, host side and client terminal.
In step 230 and step 232, host side and client terminal export line request respectively to processing module. And in step 234, the line request that processing module sends according to host side and client terminal, sets up the line between display unit and host side and between display unit and client terminal respectively.
In step 240, host side exports the first preview request to processing module. In step 242, the first preview request that processing module exports according to host side, exports the 2nd preview request to client terminal. In step 244, client terminal exports preview data to processing module according to the 2nd preview request.In step 246, processing module, after receiving the preview data that client terminal exports, exports preview data to host side. Then, in step 248, the preview image of host side display corresponding to preview data.
In step 250, host side exports the first display license signal to processing module. In step 252, the first display license signal that processing module exports according to host side, exports the 2nd display license signal to client terminal. In step 254, client terminal is according to the 2nd display license signal, and output image signal is to processing module. Then, in step 256 and step 258, the signal of video signal that processing module exports according to client terminal, the image that control display unit display is corresponding.
Fig. 3 is the schematic flow sheet illustrating a kind of display packing according to one embodiment of the invention. This display packing can be applicable in the display unit 100 illustrated such as Figure 1A, but is not limited with it. For convenience of and for the purpose of clearly demonstrating, describing of following display packing coordinates the display unit 100 shown in Figure 1A to explain.
In step 302, display unit 100 transmits preview data 135 to host side 140 that client terminal 130 exports, and shows the preview image corresponding to preview data 135 for host side 140.
In step 304, after host side 140 shows preview image, if host side 140 exports one first display license signal 165, then the image corresponding to a signal of video signal 133 exported by display unit 100 display client 130.
Please refer to Fig. 4. Fig. 4 is the schematic flow sheet illustrating a kind of display packing according to one embodiment of the invention. Compared to the display packing shown in Fig. 3, in the present embodiment, display packing more comprises step 402 and step 404. This display packing can be applicable in the display unit 100 illustrated such as Figure 1A, but is not limited with it. For convenience of and for the purpose of clearly demonstrating, describing of following display packing coordinates the display unit 100 shown in Figure 1A to explain.
In step 402, display unit 100 receives one first preview request 155 that host side 140 exports.
In step 404, display unit 100, according to the first preview request 155, exports one the 2nd preview request 157 to client terminal 130 so that client terminal 130 exports preview data 135 to display unit 110 according to the 2nd preview request 157.
Please refer to Fig. 5. Fig. 5 is the schematic flow sheet illustrating a kind of display packing according to one embodiment of the invention. Compared to the display packing shown in Fig. 3, in the present embodiment, display packing more comprises step 502. This display packing can be applicable in the display unit 100 illustrated such as Figure 1A, but is not limited with it. For convenience of and for the purpose of clearly demonstrating, describing of following display packing coordinates the display unit 100 shown in Figure 1A to explain.
In step 502, the line request that display unit 100 sends according to host side 140 and client terminal 130, sets up the wireless connections between display unit 100 and host side 140 and between display unit 100 and client terminal 130 respectively.
It is understood that step mentioned in the above-described embodiment, except chatting its order person bright especially, all can adjust its tandem according to actual needs, even can perform simultaneously or partly simultaneously.
In sum, by the technique means of the present invention, host side can before client terminal utilizes the image that display unit display client exports, the image that first preview client terminal exports. Display unit, after receiving the display license that host side sends, just understands the image that display client exports. Thus, can avoid the image that display unit display client exports comprises inappropriate content. In addition, the present invention can by display unit and host side and set up wireless connections between display unit and client terminal so that host side and client terminal exchange data by display unit. Thus, can reduce host side and client terminal and client terminal each other in exchange data time required foundation linking number. Moreover, host side, by display unit, receives the image data that client terminal exports. Thus, host side does not need to set up respectively the line between each client terminal, can receive the image data that client terminal exports.
Although this disclosure is to implement mode openly as above; so itself and be not used to limit this disclosure; any those of ordinary skill in the art; in the spirit and scope not departing from this disclosure; when being used for a variety of modifications and variations, therefore the protection domain of this disclosure ought be as the criterion depending on the scope that appended claim defines.
Claims (19)
1. a display unit, it is characterised in that, comprise:
One display unit; And
One processing module, it is electrically connected to this display unit, this processing module is in order to before showing the image corresponding to a signal of video signal that a client terminal exports at this display unit, transmit preview data to host side that this client terminal exports, the preview image corresponding to this preview data is shown for this host side, wherein this processing module is also in order to receive one first preview request that this host side exports, and according to this first preview request, export one the 2nd preview request to this client terminal, this client terminal is made to export this preview data to this processing module according to the 2nd preview request, this preview data is sent to this host side by this processing module, and after this processing module transmits this preview data to this host side, if this processing module receives the one first display license signal that this host side exports, then this processing module is also in order to export one the 2nd display license signal to this client terminal according to this first display license signal, this client terminal is made to export this signal of video signal to this processing module according to the 2nd display license signal, this processing module controls image corresponding to this display unit display according to this signal of video signal.
2. display unit as claimed in claim 1, wherein this preview data comprises the desktop images snapshot data of this client terminal or the desktop instant video data of this client terminal.
3. display unit as claimed in claim 1, wherein the also line request in order to send according to this host side and this client terminal of this processing module, sets up the wireless connections between this display unit and this host side and between this display unit and this client terminal respectively.
4. display unit as claimed in claim 1, wherein this display unit is a projector.
5. a video system, it is characterised in that, comprise:
One host side;
At least one client terminal; And
One display unit, in order to before the image corresponding to the display signal of video signal that exports of this at least one client terminal, transmit preview data to host side that this at least one client terminal exports, show the preview image corresponding to this preview data for this host side.
6. video system as claimed in claim 5, wherein this display unit is also in order to receive one first preview request that this host side exports, and according to this first preview request, export one the 2nd preview request to this at least one client terminal, making this at least one client terminal export this preview data to this display unit according to the 2nd preview request, this preview data is sent to this host side by this display unit.
7. video system as claimed in claim 6, wherein this at least one client terminal is after receiving the 2nd preview request, exports a preview request information, and inputs instruction according to a client terminal user, exports this preview data to this display unit.
8. video system as claimed in claim 5, wherein after this display unit transmits this preview data to this host side, if this display unit receives the one first display license signal that this host side exports, then this display unit is also in order to export one the 2nd display license signal to this at least one client terminal according to this first display license signal, this at least one client terminal is made to export this signal of video signal to this display unit according to the 2nd display license signal, the image that this display unit is corresponding according to the display of this signal of video signal.
9. video system as claimed in claim 8, wherein this host side is after receiving this preview data, shows a preview image according to this preview data, and according to host side user's instruction, exports this first display license signal to this display unit.
10. video system as claimed in claim 5, wherein this preview data comprises the desktop images snapshot data of this client terminal or the desktop instant video data of this client terminal.
11. video systems as claimed in claim 5, wherein this display unit also line request in order to send according at least one client terminal of this host side and this, sets up between this display unit and this host side and wireless connections between this display unit and this at least one client terminal respectively.
12. video systems as claimed in claim 5, wherein this display unit is a projector.
13. 1 kinds of display packings, are applicable to a display unit, it is characterised in that, this display packing comprises:
Transmit preview data to host side that a client terminal exports, show the preview image corresponding to this preview data for this host side; And
After this host side shows this preview image, if this host side exports one first display license signal, then show the image corresponding to a signal of video signal that this client terminal exports by this display unit.
14. display packings as claimed in claim 13, also comprise:
Receive one first preview request that this host side exports; And
According to this first preview request, export one the 2nd preview request to this client terminal so that this client terminal exports this preview data to this display unit according to the 2nd preview request.
15. display packings as claimed in claim 13, wherein after this host side shows this preview image, if this host side exports this first display license signal, then show the image corresponding to this signal of video signal that this client terminal exports by this display unit and also comprise:
Receive this first display license signal, and according to this first display license signal, export one the 2nd display license signal to this client terminal so that this client terminal, according to the 2nd display license signal, exports this signal of video signal; And
Receive this signal of video signal, and show the image corresponding to this signal of video signal by this display unit.
16. display packings as claimed in claim 13, wherein this preview data comprises the desktop images snapshot data of this client terminal or the desktop instant video data of this client terminal.
17. display packings as claimed in claim 13, also comprise:
According to the line request that this host side and this client terminal send, set up the wireless connections between this display unit and this host side and between this display unit and this client terminal respectively.
18. display packings as claimed in claim 13, wherein this display unit is a projector.
19. 1 kinds of projectors, in order to transmit image data to host side that a client terminal exports, the image corresponding to these image data is shown for this host side, it is characterized in that, this projector is also in order to receive the one first image transfer request that this host side exports, and according to this first image transfer request, export one the 2nd image transfer request to this client terminal, this client terminal is made to export these image data to this projector according to the 2nd image transfer request, these image data are sent to this host side by this projector, and the also line request in order to send according to this host side and this client terminal of this projector, set up the wireless connections between this projector and this host side and between this projector and this client terminal respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410677192.XA CN105679126B (en) | 2014-11-21 | 2014-11-21 | Display device, video system, display methods and projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410677192.XA CN105679126B (en) | 2014-11-21 | 2014-11-21 | Display device, video system, display methods and projector |
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